package pers.wangyuhang.test1;

/**
 * Created with IntelliJ IDEA.
 * Desciption:
 * User: 15716
 * Date: 2021-12-25
 * Time: 13:26
 */
public class PersonTest {
    public static void main(String[] args) {
//        Person p = new Student();
//        Son s = (Son)p;

        Person p = new Son();
        Student s = (Student)p;

    }
}
